Component Testing

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Component Testing
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the suspect wheel speed sensor.
  2. Test for 850-1350 ohms of resistance between terminal A and terminal B of the wheel speed sensor.
    • If not within the specified range, replace the wheel speed sensor.
  3. Test for greater than 100 mV AC voltage between terminal A and terminal B of the wheel speed sensor, when spinning the wheel.
    • If not within the specified range, replace the wheel speed sensor.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.